One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,9,14,8,33,7,31,6,15,5,28,30,13,29,12)(3,16,18,42,20,48,19,41,21,50,35,10,37,40,32,39)(4,22,58,44,27,11,26,45,25,47,24,61,34,46,36,59)(17,51,52,38,53,43,23,60,54,62,56,64,57,49,55,63)(1,3,5,18,8,20,29,19,6,21,9,35,30,37,7,32)(2,10,12,16,13,41,28,40,15,42,31,50,33,39,14,48)(4,23,24,54,27,56,36,57,25,55,58,17,34,52,26,53)(11,43,44,64,22,51,59,60,46,49,61,38,47,62,45,63)(1,4,6,25)(2,11,15,46)(3,17,21,54)(5,26,9,36)(7,24,29,58)(8,34,30,27)(10,38,42,64)(12,45,31,59)(13,47,33,22)(14,44,28,61)(16,49,50,43)(18,55,35,23)(19,56,32,52)(20,57,37,53)(39,63,41,60)(40,51,48,62)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.